Python tool to prevent "leading zeros" from disappearing when opening CSVs in Excel—before you open them [Includes code + prompt for creation]｜すずき

Have you ever experienced opening a CSV by double-clicking it, only to find that 007 became 7, 4901234567890 became 4.90123E+12, or product codes turned into dates? The tricky part is that it has ...

Stopping Broken Inputs Early in Excel Automation: Python XLSX Inspection and Negative Testing

Python XLSX Inspection and Negative Testing What is scary about Excel automation is not just that the process might crash ...
YouTube on MSN

Stop copy pasting into Excel! Try the new import functions instead

In this video, we cover the new IMPORTCSV and IMPORTTEXT functions in Excel, which simplify importing data into the ...
How-To Geek on MSN

I fixed my messy Excel dataset with a single formula

Reshaping wide data makes it easier to use familiar Excel tools like PivotTables and charts.
HackerNoon

I Cleaned HUD’s FY2026 Fair Market Rent Data So You Don’t Have To

HUD's FMR Excel files fight code: header newlines, corrupt docProps, phantom rows. How I cleaned 51,895 ZIP rents into flat, verified CSVs.
KDnuggets

3 Polars Tricks for High-Performance Data Manipulation

Almost every slow Polars script lacks in terms of one of these two: its expression engine written and executing in Rust across every core at its disposal, and its query optimizer that rewrites your ...